Medium severity · published Oct 29, 2026
CVE-2026-104331
Langflow OSS is affected by multiple vulnerabilities
New
5.4
CVSS
–
EPSS
No
On KEV
Description
IBM Langflow OSS 1.0.0 through 1.12.3 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LO
Langflow OSS · IBM
1.0.0 through 1.12.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-104331
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-104331
vendor-advisory
https://www.ibm.com/support/pages/node/7293015
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Langflow OSS is affected by multiple vulnerabilities
9.9
CVE-2026-107328
Langflow OSS is affected by multiple vulnerabilities
